Hire the best React.js Developers in Seoul, KR

Check out React.js Developers in Seoul, KR with the skills you need for your next job.
  • $35 hourly
    👋 Hi, I'm Nodirbek Mobile App and Web developer with 4+ years of experience in building bespoke applications from scratch and bringing existing apps to a whole new level. I work closely with my clients from the development stage to understand the needs of each unique business and their customers and deliver a customized solutions for the end-user. I know precisely how to turn your idea into a scalable application for your business that will help you grow, maximize turnover and increase customer satisfaction. I create Responsive and Dynamic Mobile and Web Applications for clients. I also can help to update, improve and fix bugs in existing Mobile apps or Websites My expertise: Shopping delivery apps Social networking apps Beauty and medical visit booking apps Food and cosmetics ingredient analysis apps Applications for Vegans Map-based apps Education apps Barcode scanner apps Applications with the use of virtual reality Customised CRM / CMS / WMS systems eCommerce platforms and apps Business support apps Development process: Analyze and identify client needs Wireframing app flow Developing a detailed work schedule Design application (if needed) App development QA and testing Maintenance and support I can use the following Programming Languages/Frameworks: ✅ JavaScript ✅ TypeScript ✅ React Native ✅ React.js ✅ Next.js ✅ HTML5 ✅ CSS3 ✅ Bootstrap ✅ Styled-components ✅ Sass ✅ Redux ✅ Firebase ✅ Socket.io Other Skills: ✅ SEO optimization ✅ DNS Setting ✅ Web Hosting ✅ Mobile Application Deployment (IOS & Android) ✅ Responsive Web Development ✅ PSD(Photoshop) to HTML ✅ Figma to HTML & CSS ✅ Cross-Browser Development ✅ Browser Developer Tools Feel free to contact me!
    vsuc_fltilesrefresh_TrophyIcon React.js
    Sass
    ExpressJS
    Algorithm Development
    Bug Fix
    styled-components
    Redux
    Next.js
    Web Development
    API Integration
    CSS 3
    HTML5
    Firebase
    React
    React Native
    JavaScript
    TypeScript
    Mobile App Development
    Hybrid App Development
  • $60 hourly
    Hi 👋! I'm a multi-faceted startup enthusiast, designer, and developer that have been helping launch startups and developing applications for over 10 years. I have worked with clients from all of the world in many different areas. My expertise are: - Managing a large-scale team of PM, Developers, and Designers on web&mobile development projects. - Full-stack development with MEAN&MERN stack specialization. - Server&Cloud management for both development and production environment. - Designing full-scale end-to-end branding and identity for companies of all sizes in all areas. - Marketing & Content creation with availability of professional photography & videography services locally. I take pride in producing an extremely standardized, high quality work that reflects many years of experience in the tech field. I also have diverse experience helping startups as a coach and mentor. Please note that rates can differ depending of services required.
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    Web Design
    Requirements Specification
    CSS
    PHP
    SQL
    TypeScript
    Amazon Web Services
    HTML
    Web Development
    AngularJS
    Node.js
    JavaScript
    React
    MongoDB
  • $100 hourly
    Hi there! I'm Ethan, a skilled software developer with a background in computer science. With a Bachelor's degree from Sogang University and a Master's degree from Dongguk University, both in Korea, I have the academic foundation to bring your software development projects to life. I have experience working on a variety of programming projects, from mathematical modeling programs written in QT and Python to React and Node.js projects. I've also led a React Native project, which further developed my expertise in cross-platform mobile development. I am well-versed in several programming languages, including TypeScript, JavaScript, Python, C/C++, Java, and Go, making me a versatile developer who can handle various types of projects. I am detail-oriented, committed to writing clean and efficient code, and dedicated to delivering high-quality work on time and within budget. Whether you need a developer for a new project or ongoing support for an existing one, I am confident that I can help. I can work with you to bring your vision to life, turning your ideas into a fully-functional product. Let's work together to make your project a success. Don't hesitate to reach out to me and let's get started.
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    Golang
    OpenCV
    Qt Framework
    Spring Boot
    Mac OS App Development
    iOS Development
    Android
    C
    Swift
    React
    TypeScript
    React Native
    C++
    Python
    Java
  • $150 hourly
    ❓ Looking for an experienced software engineer to bring your ideas to life? ❓ Tired of cheap developers who over-promise and over-engineer, but under-deliver? ❓ Don't want to babysit a freelancer and want them to take responsibility as it's their own project? I have earned Upwork's Top-Rated Plus badge (top 3%) with over $100K in total earnings. I have maintained a 100% Job Success Score and my track record is proven by 5-star client reviews. Efficiency and quality are my priorities - typically delivering ahead of schedule and above & beyond client expectations. I'm fast and thorough and have worked on projects with a diverse range of scopes. My goal is to help you to achieve your business goals by leveraging my engineering skills. With exceptional communication skills, I ensure you stay well-informed about my development process and progress, regardless of your technical expertise. I'm an all-around talent working on both the frontend and backend of every job I'm involved in (saves you hiring a designer, and then a developer, and then a project manager, etc.). I specialize in Python Django and React for web development, API development, data migration, and deployment across all major providers. ____________________________________________________________________________ ⭐️ Skillset Back End: - Python, Django, Flask, FastAPI - SQL (MySQL, PostgreSQL, SQLite), NoSQL (MongoDB, AWS DynamoDB) - API design (Django Rest Framework, Flask API) - Deployment (AWS, GCP, Digital Ocean) DevOps: - Docker, Docker Compose - CI/CD (CircleCI, GitHub Actions) - AWS - Terraform Front End: - HTML5, CSS3, Javascript - Frameworks (Vue, React) ____________________________________________________________________________ 📩 Send me a message to discuss how we can drive your project to success. 📩
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    Terraform
    AWS Fargate
    RESTful API
    Docker Compose
    Docker
    Flask
    NGINX
    Django
    API Integration
    Web Application
    React
    PostgreSQL
    Python
    JavaScript
    MySQL
  • $75 hourly
    I’m a Software Engineer with a strong track record of over 10 years, crafting web solutions for medium to large businesses. Whether you’re looking to elevate your online presence, streamline your services, or create a new online store, I can assist you. - Proficiency in HTML, CSS3, React, Vue.js, PHP, jQuery, Sass, PHP, Python and more. - Master in WordPress (Gutenberg) and WooCommerce. - Expertise in integrating a variety of payment gateways (10+), handling high-volume transactions securely and efficiently. - Skills in DevOps using tools like Docker, Terraform, Kubernetes, CI/CD, Git for advanced web development. - Familiar with AWS and Azure services. - Commitment to managing the full project cycle with precision and clear communication. Regular communication is important to me, so let’s keep in touch. Let’s partner up to turn your web ambitions into reality.
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    Gutenberg Editor
    End-to-End Testing
    CI/CD
    Terraform
    Payment Gateway
    WooCommerce
    Redis
    React
    WordPress
    GitHub
    Git
    Docker
    Laravel
    PHP
  • $550 hourly
    I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help!
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    React
    ExpressJS
    TypeScript
    Node.js
    JavaScript
  • $10 hourly
    I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help!
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    Tailwind UI
    React Native
    Tailwind CSS
    WordPress
    MySQL
    PHP
    Next.js
    JavaScript
    MongoDB
    Node.js
    React
    TypeScript
  • $20 hourly
    Here to assist, help and serve! I do what I love and love what I do. How can I help you? I am a passionate fullstack web developer. I have experience with backend Django and frontend React development using Python and Javascript, and familiar with all the usual tools like Git and Docker. I also do a lot of work with practical AI integration and write and record courses about all the above. Always open to new oppurtunities and technologies. I am available and flexible to work in different time zones. Please feel free to contact me via dirk@dirkmeer.com Portfolio: dirkmeer.com
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    Teaching Programming
    Content Creation
    Front-End Development
    OpenAI API
    Docker
    RESTful API
    SQL
    Web Application
    JavaScript
    CSS
    Django
    HTML
    Git
    Python
    React
  • $20 hourly
    If you want to redesign your website or make a beautiful and detailed web page, give me the job! I'm good at those things. hello! I am a front-end developer with 4 years of experience. I'm really good at building websites using React and Vue. I'm great at making web pages work on all devices (desktop, tablet, mobile) and in many browsers. I have a lot of experience making design files (Figma, Sketch, PSD, XD) into web pages(using Modern JS, Vue, React) that are identical pixel by pixel. I usually develop with React x Redux and Vue x Vuex, but I am good at quickly learning new technologies and applying them to products at the request of clients. I am good at using the following techniques. Skills 👉 React, Next.js, Vue 👉 HTML, CSS, JavaScript, Typescript 👉 styled-component, Emotion, Bootstrap 👉 Api integration(axios, fetch) 👉 REST APIs, GraphQL 👉 Git 👉 Cross-Browsing, Responsive Web(Desktop, Tablet, Mobile), Pixel-perfect development 👉 Using Good CSS Flex, Grid 👉 React to Vue or Vue to React Migration Tools 👉 Slack, GitHub, Jira, Trello, WebStorm, Adobe Photoshop, Adobe Illustrator, Microsoft Excel and more. I am looking forward to creating a great project with me and achieving great fruition. Thank you :)
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    Git
    Responsive Design
    React
    Vue.js
    Web Application
    JavaScript
  • $40 hourly
    I'm a full-stack web developer with experience building front and back end systems for startups and medium sized businesses. ○ I have experience in React, React Native, Svelte, CSS, JavaScript, PHP, Node.js, Python, and SQL ○ I'm talented at explaining difficult concepts in simple terms ○ I'll pay attention to the details to make sure the final product is professional and bug-free
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    React Native
    Svelte
    SQL
    Responsive Design
    Node.js
    Web Application
    CSS 3
    CSS
    HTML
    React
    Python
    JavaScript
    Web Development
  • $100 hourly
    We specialize in developing applications and websites and also develop automation programs. So far, we have worked on about 70 Korean projects. I place great importance on communication and trust and prefer to get things done quickly. We will deliver high quality products at low costs. Please feel free to contact us. Full-stack developers and designers all work together, and the technology stack includes JAVA, Node.js, flutter, python, and various languages ​​and frameworks. Regular communication is important to me, so let’s keep in touch. Full project management from start to finish
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    Firebase
    Flutter
    Kotlin
    Laravel
    PHP
    React
    Node.js
    Java
    Python
    MySQL
  • $48 hourly
    4 years of experience in Data Science & Engineering, driving Business Growth, and 2 years as a Start-up All-rounder/Full-stack Developer. Looking for opportunities globally outside of Korea. Hope to have a chance to talk if you have an interest in my resume :) [Details] • experienced in from Data Engineering to Science such as Building and managing Data Pipeline, Statistical Modelling, Visualization, and Data Analysis for Business Growth • Full-stack developer working in start-ups, launching App/Web with React/React Native, and building crawling system, etc.
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    Data Visualization
    Apache Spark
    PySpark
    Apache Airflow
    TypeScript
    React
    React Native
    Data Scraping
    Data Science
    Data Engineering
    Data Analysis
    JavaScript
    Python
    Web Crawling
  • $40 hourly
    I'm an experienced full-stack developer and team leader who has successfully delivered complex web projects in areas like financial security, AI, and medical imaging. I use modern technologies like React.js, Node.js, and Python to create scalable, efficient software. My expertise covers all essential elements of project success, including improving efficiency with innovative features such as secure APIs and custom servers. I value clear communication and aim to build strong, enduring relationships throughout a project. Let's work together to achieve your ambitious goals.
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    Artificial Intelligence
    FastAPI
    TensorFlow
    PyTorch
    Python
    React
    Node.js
  • $56 hourly
    I’m a developer experienced in building applications for small and medium-sized businesses. Whether you’re trying to develop a new iOS app, enhance your frontend, or optimize your backend services, I can help. iOS Development: Proficient in SwiftUI FrontEnd: Skilled in TypeScript, JavaScript, and ReactJS Backend: Experienced in Spring Boot and Java I offer full project management from start to finish. Regular communication is important to me, so let’s keep in touch.
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    Spring Boot
    Java
    React
    TypeScript
    Swift
    SwiftUI
    iOS
  • $5 hourly
    I am a Software Engineer specialized in Web Scraping using Python. - Selenium, Scrapy, Python Scripts - If you don't know what exactly you want, I will explain to you thoroughly and guide you to get your task done in a very communicative manner
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    React
    Spring Boot
    Node.js
    Vue.js
    Python
  • $25 hourly
    ✅ Software Developer for 5+ YEARS on large scale projects in different countries like the UNITED STATES, UNITED KINGDOM, and SOUTH KOREA ✅ Main experience in JAVASCRIPT frameworks such as REACT and ANGULAR for frontend ✅ NODEJS frameworks for business logic in the backend ✅ Machine Learning Engineer specializing in AI projects within research labs in South Korea, experienced in TENSORFLOW and PYTORCH for Web and Mobile Applications ✅ Database Technologies such as MYSQL, MongoDB, and FIREBASE ✅ Using ANDROID or FLUTTER for mobile application development over various apps that are in production now Feel free to contact me anytime, I'll get back to you at my earliest convenience!
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    Android
    TypeScript
    JavaScript
    Angular
    React Native
    React
    Node.js
    MongoDB
    Dart
    Amazon Web Services
    Web Design
    Web Application
    Web Development
    Flutter
    Front-End Development
  • $30 hourly
    We are a software development company with offices in South Korea and India and a team size of 50+ developers. We have vast experience in building custom web applications and mobile apps using latest technologies and have created 500+ apps and web applications for 100+ clients across the world. OUR EXPERTISE With an experience of 15+ years, we have developed numerous MERN stack applications using the following technologies. React JS Node JS Express JS MongoDB WHAT WE OFFER Complete MERN Stack based web applications Fixes for an existing app Database integration REST API development Third-party API integrations Code debugging and optimization Cloud deployments and whatever you ask for! OUR DEVELOPMENT PROCESS Collect & Analyze Client Requirements Wireframing Project Flow Web Application Designs Web Application Development QA & Testing Maintenance & Support Pricing starts at $2500 depending on your project´s scope and complexity - Please consult us regarding our availability and costs before ordering the GIG. Looking forward to hearing your idea and/or business needs and help you build it!
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    MongoDB
    Node.js
    ExpressJS
    React
  • $30 hourly
    I value - Implementing exact UI and features as required without errors - Active communication with client - Writing reusable and maintainable code I have web development skills such as... React - Skilled in functional components and hooks - Create readable and reusable components and custom hooks - Able to apply memoization only when necessary JavaScript, TypeScript - Skilled in ES6 syntax - Familiar with the type system of TS, and prefer it over JS - Some experience with jQuery HTML - Understand the importance of web standards and accessibility and consider them when creating products CSS - Able to use various libraries and styling methods such as MUI, Tailwind, and Sass
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    React
    HTML
    JavaScript
    Responsive Design
    TypeScript
    CSS
  • $25 hourly
    Hi, there. I'm blockchain engineer & developer who had worked for centralized exchange named Probit Global for 3 years. ✨ Main skills are 1. Blockchain node operation - I can install and configure blockchain node software on servers. 2. Blockchain integration - Using various JavaScript SDK, I can integrate blockchains on system. 3. Solidity development - I can build & deploy smart contracts on EVM based blockchains. ✅ skill sets - programming language: JavaScript, TypeScript, Solidity - database: postgresql - framework: express, next.js, sass - library: react.js, web3.js, ethers - web3 wallet: Metamask - infrastructure: docker
    vsuc_fltilesrefresh_TrophyIcon React.js
    Sass
    Next.js
    Docker
    Docker Compose
    React
    PostgreSQL
    ExpressJS
    TypeScript
    JavaScript
    Solidity
    MetaMask
    Blockchain
    Blockchain Architecture
  • $11 hourly
    A versatile Software Developer / Project Manager / Coordinator with strong academic background and several years of industrial experience. Skilled in fullstack web programming (Node.js, React, Spring java) and Android development in mobile Environment. Ability to learn new technologies quickly while maintaining professional work ethics at all times
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    Project Management
    Solidity
    React Native
    React
    Node.js
  • $5 hourly
    I am a frontend developer with 3 years of experience in creating web applications using HTML, CSS, Javascript, Typescript, and React. I primarily worked on B2B(business-to-business) web applications. The projects I have worked on are the following: - Web-based Image Labeling Tool that generates data to enhance image-based data machine learning model. - Web Crawlers using Python. - location-based Mobile Golf Community Website where golf users find facilities related to golf and share reviews. - Fitness Training Video Platform that provides the same training video to multiple users in real-time online by admin's supervision. - Online Questionnaire Tool that manages patients' data online and eases the medical procedure in medical clinics from traditional paperwork. - B2B service that eases the process of exporting cosmetic products to other countries. - Responsive Mobile Community Website for cosmetic companies where users share news in the industry and open & join a meetup. The main skills that are used in the projects are the following: - React - Javascript - Typescript - Node.js - Python I am serving the best solution for your project fitting your limited budget. please feel free to reach out.
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    Node.js
    TypeScript
    JavaScript
    React
    RESTful API
    API Development
    API
    CSS
  • $9 hourly
    I'm New here. I'm interested in FrontEnd, BackEnd, and Application. I'm mainly focusing with the front end now. I Look the various codes, and strive to improve the code. I want to grow together through learning and communication. I majored in advertising industry psychology at university, Because I was curious about how human psychology and industrial structure marketing work, and how to predict how human psychology works and what results it produces. I've been curious about those points since I was young, so I think the process of solving problems and producing results is similar to this from the perspective of the developer I'm doing now. In particular, I wonder how the process of solving problems together and the knowledge of the domain will lead me to be more interesting based on communication with team members. So I want to try it. *Speak : Korean / English *WhatsApp : +82 10 8324 0892 *Phone : +82 1083240892 *Email : hsg829@gmail.com *Experience : New comer *Education : Bachelor Degree / Daejeon University(south-korea) *Skills : Typescript / React.js / Next.js / React-Query / Recoil / Zustand / Firebase / RestfulApi / Css / Redux / Tailwind / Style Component / Aws / Docker / Hooks / CI,CD / Github /
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    Front-End Development
    React
    Firebase Realtime Database
    RESTful API
  • $10 hourly
    - Proficient in developing responsive and user-friendly web application - Strong attention to detail and effective problem-solving skills - Time management
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    Flutter
    TypeScript
    Next.js
    Web Application
    React
    Responsive Design
    JavaScript
  • $20 hourly
    I can design using Photoshop, Illustrator, and Figma. I can also code using HTML5, CSS, Javascript, JQuery, and React. Using these skills I created a portfolio of my own. I am confident that my strong foundation in the designing and coding skills mentioned above will help me contribute.
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    Microsoft Office
    Adobe Illustrator
    Adobe Photoshop
    React
    PHP
    jQuery
    CSS
    Web Application
    Figma
    JavaScript
    Writing
    Counseling
    College Essay
    College & University
  • $19 hourly
    I am a software engineering graduate from Centennial College, with a bachelor's degree in computer information engineering from Inha Technical College. I have completed an internship as a fullstack developer at Faubert Applied Research Center. If you're trying to create an online store, I'm here for you. Have skills in C#,JavaScript, Android, MERN Stack, HTML and CSS Project management experience with Jira Your feedback values for me, so feel free to contact.
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    YARN
    Node.js
    MongoDB
    React
    C#
    Java
    Python
    Android
    MERN Stack
  • $15 hourly
    We are an IT outsourcing team specializing in mobile app and website development. We offer a wide range of services, including new development, improvements, and bug fixes. Utilizing the latest technology stack, we ensure a high-quality user experience and reliable systems. Two skilled developers collaborate to provide optimal solutions. We aim to be your trusted partner through custom development tailored to achieve your business goals. We promise outstanding results for your mobile app and website development projects.
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    React Native
    Python Script
    C#
    Java
    React
    Responsive Design
    Python
  • $70 hourly
    I’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help. * Knows HTML and CSS3, Tailwind CSS, React, Next.js, Webflow and SEO. * Full project management from start to finish. * Regular communication is important to me, so let’s keep in touch.
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    NGINX
    AWS Development
    MongoDB
    React
    TypeScript
    Webflow
    Figma
    iOS
    Next.js
    Back-End Development
    React Native
    Android
    Software
    Front-End Development
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